// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef MEDIA_BLINK_TEXTTRACK_IMPL_H_
#define MEDIA_BLINK_TEXTTRACK_IMPL_H_

#include <memory>
#include <string>

#include "base/macros.h"
#include "media/base/text_track.h"

namespace base {
class SingleThreadTaskRunner;
}

namespace blink {
class WebMediaPlayerClient;
}

namespace media {

class WebInbandTextTrackImpl;

class TextTrackImpl : public TextTrack {
public:
    // Constructor assumes ownership of the |text_track| object.
    TextTrackImpl(const scoped_refptr<base::SingleThreadTaskRunner>& task_runner,
        blink::WebMediaPlayerClient* client,
        std::unique_ptr<WebInbandTextTrackImpl> text_track);

    ~TextTrackImpl() override;

    void addWebVTTCue(const base::TimeDelta& start,
        const base::TimeDelta& end,
        const std::string& id,
        const std::string& content,
        const std::string& settings) override;

private:
    static void OnAddCue(WebInbandTextTrackImpl* text_track,
        const base::TimeDelta& start,
        const base::TimeDelta& end,
        const std::string& id,
        const std::string& content,
        const std::string& settings);

    static void OnRemoveTrack(blink::WebMediaPlayerClient* client,
        std::unique_ptr<WebInbandTextTrackImpl> text_track);

    scoped_refptr<base::SingleThreadTaskRunner> task_runner_;
    blink::WebMediaPlayerClient* client_;
    std::unique_ptr<WebInbandTextTrackImpl> text_track_;
    DISALLOW_COPY_AND_ASSIGN(TextTrackImpl);
};

} // namespace media

#endif // MEDIA_BLINK_TEXTTRACK_IMPL_H_
